===================================================================
--- original.js
+++ change.js
@@ -30,8 +30,23 @@
 			self.destroy();
 		}
 	};
 });
+// Define the FireTrail class
+var FireTrail = Container.expand(function () {
+	var self = Container.call(this);
+	var fireGraphics = self.attachAsset('fire', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = -5;
+	self.update = function () {
+		self.y += self.speed;
+		if (self.y < 0) {
+			self.destroy();
+		}
+	};
+});
 //<Assets used in the game will automatically appear here>
 // Define the Player class
 var Player = Container.expand(function () {
 	var self = Container.call(this);
@@ -92,8 +107,12 @@
 };
 // Handle shooting
 game.down = function (x, y, obj) {
 	shootBullet();
+	var fireTrail = new FireTrail();
+	fireTrail.x = player.x;
+	fireTrail.y = player.y + 50;
+	game.addChild(fireTrail);
 };
 // Update game state
 game.update = function () {
 	// Update player